The font and font size you choose apply to the Body paragraph style. Other paragraph styles use the same font, and their sizes adjust according to the font size relationships of the original template. For example, if you choose Lucida Grande and 12 points, the Title paragraph style in the Blank template uses Lucida Grande and its size is 33 points instead of 30 points.
Tap , tap Settings, then tap Font for New Documents.
Turn on Set Font and Size.
Tap Font, choose a font for the Body paragraph style, then tap Back.
To set the size for the Body paragraph style, tap .
After you make the update to the setting, it applies to any new documents; it doesn’t change the font for existing documents. If you later want to revert the templates to their original fonts, turn off Set Font and Size.